MD Stationary Engineer Exam Questions with All Correct Answers

MD Stationary Engineer Exam Questions with All Correct Answers Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ - ANSWER Formation of soot and smoke In the event of a flame failure, the programmer will______ - ANSWER Secure the fuel, purge the firebox, and then shut down Boil the water must be conditioned to prevent ______ (3 Answers) - ANSWER Formation of scale, oxygen pitting, carryover Rank refers to the __________ of the coal - ANSWER Degree of Hardness Gauge pressure plus atmospheric pressure equals what? - ANSWER Absolute pressure Air needed for combustion of fuel is made up of approximately _________% oxygen and ________ nitrogen - ANSWER 20, 80 What is the pressure applied on the boiler during a hydrostatic test? - ANSWER 1.5 times the Maximum Allowed Working Pressure Natural water may contain.... - ANSWER Solids, gases, and other pollutants from industrial waste Recorders are used to.... - ANSWER Give an overall view of the Steam planet operation Adirect cause oh overheating of the boiler tubes is..... - ANSWER Scale formation on the tubes The primary function of a combustion control is to ensure.... - ANSWER Boiler efficiency Flow meters measure the rate of flow of.... - ANSWER A variety of fluids What is the cooling tower supply water temperature generally? - ANSWER 80 degrees What is the cooling tower return water temperature generally? - ANSWER 90 degrees Most thermometers used in a steam plant are calibrated in what? - ANSWER Degrees/ Fahrenheit Thermocouples measure... - ANSWER Temperature Carbon Dioxide in the flue has is a sign of what kind of combustion? - ANSWER Complete Bituminous coal has a high ______ content - ANSWER Volatile The types of variable area flow meters are.... (2 Answers) - ANSWER Rotometer and Valve The Rotometer flow meter consists of a ___________ - ANSWER Ball in a tapered tube